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Finding the Fourth Proportional to 342,466.70, 472,397.40 and 226,180.87

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Solution

The fourth proportional to 342,466.70, 472,397.40 and 226,180.87 is: 311,993.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,466.70 : 472,397.40 = 226,180.87 : x
  2. Step 2: Convert to fraction form
    342,466.70/472,397.40 = 226,180.87/x
  3. Step 3: Cross multiply
    342,466.70x = 472,397.40 × 226,180.87
  4. Step 4: Simplify right side
    342,466.70x = 106,847,253,736.75
  5. Step 5: Solve for x
    x = 106,847,253,736.75/342,466.70
  6. Step 6: Final answer
    x = 311,993.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.